Ironclad ID: Tool for Diagnosing Ironclad and Cylindrical Bark Beetles (Coleoptera: Zopheridae) of North America north of Mexico
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Key to Genera & Species

The key to genera/species is for all zopherid species known to occur in North America north of Mexico. Before you start the key, please visit the Ironclads and Cylindrical Bark Beetles page. Also, the key assumes that you have access to a dissecting microscope with strong lighting. This is needed in order to see the morphological details such as the antennal club, elytral ornamentation, etc.

Zopherus nodulosus
Zopherus nodulosus haldemani
© N.P. Lord

© 2011-2015 Lord, N.P., Nearns, E.H., and K.B. Miller